a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles.
一质矿物,由碳氢化合物混合而成,与石
,有的品
用于造
和
烛。
a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles.
一质矿物,由碳氢化合物混合而成,与石
,有的品
用于造
和
烛。
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